Senior Embedded Firmware Engineer

ZENOVO; Droitwich Spa; On-site; GBP 60,000 - 70,000; Full time

Job summary

ZENOVO in the UK is seeking a Senior Embedded Firmware Engineer to join our on-site team in Droitwich Spa. You will design, develop and maintain firmware in C for microcontroller-based systems and take ownership across the product lifecycle.

You'll work closely with electronics engineers on hardware integration, testing and validation, and contribute to RF testing and low-power embedded applications. A practical, hands-on approach and strong debugging skills are essential.

Qualifications

• Strong experience in embedded software development using C.
• Proven experience with microcontrollers and embedded systems.
• Experience with PIC, ESP32 or similar MCUs.
• Solid understanding of electronics hardware and firmware interaction.
• Experience debugging, testing and integration of firmware.
• Hands-on, practical approach to product development.
• Ability to own technical challenges and drive solutions.

Responsibilities

• Design, develop and maintain embedded firmware using C.
• Take technical ownership of firmware development across the product lifecycle.
• Develop and debug firmware for microcontroller-based systems (PIC/ESP32 or similar).
• Work with electronics engineers on hardware integration and product development.
• Support design, testing and validation of electronic products.
• Work with communications tech, telemetry and low-power embedded applications.
• Contribute to RF testing, radio frequency performance and product compliance.
• Identify and resolve issues across firmware and hardware interfaces.
• Contribute to design reviews, improvements and engineering best practices.
• Support and share knowledge with other engineers in a collaborative hands-on team.

Skills

Embedded C

Microcontrollers

PIC/ESP32

Electronics hardware

Debugging

Ownership

Job description

Senior Embedded Firmware Engineer

Location: Droitwich Spa, Worcestershire (Fully On-site)

Salary: £60,000–£70,000, depending on experience

The Opportunity

An opportunity has arisen for a Senior Embedded Firmware Engineer to join an established engineering and manufacturing business developing, building and maintaining electronic products.

Job Responsibilities

• Design, develop and maintain embedded firmware using C.
• Take technical ownership of firmware development across the product lifecycle.
• Develop and debug firmware for microcontroller-based systems, ideally using PIC, ESP32 or similar platforms.
• Work closely with electronics engineers on hardware integration, troubleshooting and product development.
• Support the design, testing and validation of electronic products.
• Work with communications technologies, telemetry and low‑power embedded applications.
• Contribute to RF testing, radio frequency performance and product compliance activities where required.
• Identify and resolve technical issues across firmware and hardware interfaces.
• Contribute to design reviews, development improvements and engineering best practices.
• Support and share knowledge with other engineers within a collaborative, hands‑on team.

Experience Required

• Strong experience in embedded software development using C.
• Proven experience working with microcontrollers and embedded systems.
• Experience with PIC, ESP32 or comparable microcontroller platforms.
• A good understanding of electronics hardware and the interaction between firmware and physical systems.
• Experience debugging, testing and integrating embedded firmware.
• Strong problem‑solving skills and the ability to take ownership of technical challenges.
• A practical, hands‑on approach to product development.

Experience in the following areas would be advantageous

• PCB design and electronic hardware development.
• Automotive electronics, telemetry or low‑power applications.
• RF, wireless communications or radio frequency testing.
• EMC, compliance testing or product certification.
• Supporting electronic products through development, manufacture and ongoing maintenance.

Please note: We cannot offer sponsorship for this role.

If you're an experienced Embedded Firmware Engineer looking for a role where you can combine strong C programming skills with practical electronics development and take ownership of real‑world products, we'd be keen to hear from you.